Jung Jin-young

as Prosecutor Park

Jang Keun-suk

as Pearson

Shin Seung-hwan

as Alex

Oh Kwang-rok

as Attorney Kim

Ko Chang-seok

as Alex's father

Kim Joong-ki

as 1st Trial Judge

Song Young-chang

as Prosecutor Director

Song Joong-ki

as Jo Joong-pil

Choi Il-hwa

as Joong-pil's father

Lee Eung-jae

as Legal assistant

Jung Woon-sun

as Joong-pil's sister

Joung Young-sub

as Joong-pil's brother-in-law

Jin Kyung

as Prosecutor Park's wife

Park Seo-yeon

as Park Ji-seon